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Throughout his career, Lance Armstrong always responded to doping allegations by saying he had been tested for banned substances hundreds of times and never produced a positive result. How could the world’s greatest cyclist, always in the cross hairs of doping officials, never fail a drug test if he was doping, Armstrong reasoned.

The U.S. Anti-Doping Agency says 11 of Lance Armstrong's former teammates testified against him in its investigation of the cyclist, revealing "the most sophisticated, professionalized and successful doping program that sport has ever seen."

With stunning swiftness, the U.S. Anti-Doping Agency said Thursday night it will strip Lance Armstrong of his unprecedented seven Tour de France titles after he dropped his fight against drug charges that threatened his legacy as one of the greatest cyclists of all time.

Lance Armstrong, the seven-time Tour de France winner, said he was “exploring all my options” in dealing with new charges brought by the United States Anti-Doping Agency.

The United States Anti-Doping Agency initiated a procedure against Lance Armstrong with a time frame for allegations that began in 1996 and continued through 2010.